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Table 7. ADS1147EVM/ADS1247EVM Bill of Materials (continued)
Item No. Qty Value Ref Des Description Vendor Part Number
23 0 RA2 Resistor, Chip Array Four
Independent Bus 100kΩ, 5%,
1/16W, SMD
24 1 10kΩ R1 Resistor, Thick Film Chip 10kΩ, Panasonic ERJ-3GEYJ103V
5%, 1/10W, Size = 0603
25 1 2kΩ R2 Resistor, Thick Film Chip 2kΩ, 1%, Panasonic ERJ-3EKF2001V
1/16W, Size = 0603
26 6 47Ω R3-R7, R10 Resistor, Thick Film Chip 47Ω, 5%, Panasonic ERJ-3GEYJ470V
1/10W, Size = 0603
27 2 2.7kΩ R8, R9 Resistor, Thick Film Chip 2.7kΩ, Panasonic ERJ-3GEYJ272V
5%, 1/10W, Size = 0603
28 2 100kΩ R11, R13 Resistor, Thick Film Chip 100kΩ, Panasonic ERJ-3GEYJ104V
5%, 1/10W, Size = 0603
29 1 47kΩ R12 Resistor, Thick Film Chip 47kΩ, Panasonic ERJ-3GEYJ473V
5%, 1/10W, Size = 0603
30 2 0 R14, R15 Resistor, Thick Film Chip 0Ω, 5%, Panasonic ERJ-3GEY0R00V
1/10W, Size = 0603
31 2 470kΩ R16, R17 Resistor, Thick Film Chip 470kΩ, Panasonic ERJ-3GEYJ474V
5%, 1/10W, Size = 0603
32 1 S1 Switch, Mini Slide, SP3T NKK SS14MDP2
33 0 TP1-TP5 PCB Test Point, Mini Loop,
Through-Hole
34 1 TP6 PCB Test Point, Large Loop, Keystone 5011
Through-Hole Electronics
35 1 U1 Precision Voltage Reference, Texas REF5020ID
2.048V Instruments
36 1 U2 Precision Operational Amplifier Texas OPA227U
Instruments
37 1 U3 Texas PCA9535RGE
16-Bit I
2
C I/O Expander
Instruments
38 1 U4 Inverter, Single Gate Texas SN74AHCT1G04DBVR
Instruments
39 1 U5 Buffer, Open Drain, Single Gate Texas SN74LVC1G07DBVRG4
Instruments
40 1 U6 LDO Voltage Regulator, 2.5V, Texas TPS79225DBVRG4
100mA Instruments
41 1 U7 Single, 2-Line to 1 Data Texas SN74LVC2G157DCT
Selector/Multiplexer Instruments
42 0 U8 3.3 V Oscillator
43 1 U9 LDO Voltage Regulator, 2.5V, Texas TPS72325DBVTG4
200mA Instruments
44 1 U10 Precision Delta-Sigma ADC, Texas ADS1247IPW/ADS1147IPW
24-bit/16-bit Instruments
45 1 U11 EEPROM, 1.8V, 256K Microchip 24AA256-I/ST
46 1 U12 Supervisor, 2.64V Threshold Texas TPS3836L30DBVT
Instruments
47 8 N/A Shorting Blocks Samtec SNT-100-BK-T
30
ADS1147EVM, ADS1247EVM, ADS1147EVM-PDK, ADS1247EVM-PDK SBAU148B– June 2009– Revised May 2011
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